Between the Maurienne and the Tarentaise, at the confluence of the Arc and the Isère, the Grand Arc offers a splendid view of the Alps. This trail takes you through forests and over meadows, where you will find Saint-Bruno’s Lily and rhododendrons.The path goes up to the Lognane meadows and to the Col des Génisses or the Pierra Curbe. Bear right into the “Vallon du Grand Arc”. Go past the peat bog to the lake. The summit of the Grand Arc is reached from the north. Follow the ridgeline, and then cross the valley to go under the Petit Arc. Follow the ridge on the right to the Grand Arc. Descend to the lake, and then go back down to the car park via the Char de la Turche. Type of itinerary : circuit. Maps: IGN Top 25 n° 3432 ET Albertville.